Laminated board for enhanced graphics packaging and strength
AssigneeInternational Paper Company
InventorsTimothy S. Sammarco, Thomas Z. Fu, William L. Brown, Alexander A. Koukoulas
Life of this patent
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Abstract
The invention relates to a laminated board grade structure used for low cost, enhanced graphics packaging. The product contains an unbleached or bleached substrate board and a lightweight coated unprinted white paper grade laminated to the unbleached board substrate to produce a product with a smooth coated, glossy surface for quality graphics printing.
Claims26
A laminated board structure for enhanced graphics packaging comprising:
- a paperboard substrate;
- and
- an unprinted coated white paper laminated to the substrate board, wherein the unprinted coated white paper is bleached and has a basis weight of 80 lbs./3000 sq. ft. or less, and a thickness of 6 mils, or less, wherein the board structure yields 70-160 ft-lbf. of internal bond strength.
A laminated board structure for enhanced graphics packaging comprising:
- a paperboard substrate;
- and
- an unprinted coated white paper laminated to the substrate board, wherein the unprinted coated white paper is bleached and has a basis weight of 80 lbs./3000 sq. ft. or less, and a thickness of 6 mils, or less, wherein the paperboard substrate has a Sheffield smoothness of 200-400 SU and Parker print surface smoothness of less than 12 microns when measured using a pressure of 10 kgf/cm2.
A laminated board structure for enhanced graphics packaging comprising:
- a paperboard substrate;
- and
- an unprinted coated white paper laminated to the substrate board, wherein the unprinted coated white paper is bleached and has a basis weight of 80 lbs./3000 sq. ft. or less, and a thickness of 6 mils, or less wherein the unprinted coated white paper has a GE brightness of 60-90% and an unprinted gloss of 35-75%.
Dependencies are inferred from the claim text.